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Report | PreJuSER-136341 |
1972
Kernforschungsanlage Jülich, Zentralbibliothek, Verlag
Jülich
Please use a persistent id in citations: http://hdl.handle.net/2128/4466
Report No.: Juel-0875
Abstract: Polycristalline and single crystal neutron filters have proved as useful tools for improving the quality of cold and thermal reactor neutron beams for elastic and inelastic scatterinq work. After a short introduction to theory the nuclear, chemical and physical properties are discussed, which have to be required from appropriate filtermaterials. A comparison is made between theoretical and experimental neutron transmissions and a compilation of the most interesting data is given for the commonly used filtermaterials: bismuth, lead, beryllium, berylliumoxide, quartz, magnesiumoxide and pyrolytic graphite, which may be of practical use for the filter designer. A few experimental facilities are also shown.
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